Shop 6.4L Hemi
American Brother Designs SRT HELLCAT Front Grille Badge (2-Color): Dodge Challenger 2015 - 2023
American Brother Designs
Regular price
$120.99
$89.00
26% off
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Mantic Twin Disc Clutch Kit: Dodge Challenger 2008 - 2023 (5.7L Hemi, 6.1L SRT8, 6.4L SRT & Scat Pack, 6.2L SRT Hellcat)
Mantic Clutch
Regular price
$3,007.00
$2,685.00
11% off
- Unit price
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Amerihood Hellcat Functional Ram Air Hood: Jeep Grand Cherokee 2011 - 2021
Amerihood
Regular price
$600.00
$534.00
11% off
- Unit price
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Amerihood SRT2 Functional Ram Air Hood: Dodge Charger 2011 - 2014
Amerihood
Regular price
$736.74
$572.92
22% off
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American Brother Designs Interior Knob Kit: Dodge Challenger 2015 - 2023
American Brother Designs
Regular price
$199.99
$194.00
3% off
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American Brother Designs HEMI Exterior Badge: Dodge Challenger 2015 - 2023
American Brother Designs
Regular price
$152.00
$137.00
10% off
- Unit price
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Hawk Ceramic Front Brake Pads (FRONT): Dodge Durango 6.2L / 6.4L 392 / Jeep Grand Cherokee 6.2L Trackhawk (11-26)
Hawk Performance
Regular price
$297.99
$268.19
10% off
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K Sport Kontrol Pro Damper Coilovers: Dodge Challenger 2011 - 2023 (RWD)
KSport
Regular price
$1,312.50
$1,115.62
15% off
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Deatschwerks 60lb/hr Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2024 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks
$699.00
- Unit price
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Hawk HPS 5.0 Front Brake Pads: 300 / Charger / Challenger / Magnum 6.1L SRT8 / 6.4L 392 2006 - 2023
Hawk Performance
Regular price
$213.99
$192.59
10% off
- Unit price
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American Car Craft Mopar Cold Air Intake Cover: Chrysler 300 / Challenger / Charger (11-24)
American Car Craft
Regular price
$148.95
$138.95
7% off
- Unit price
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GT Styling Smoke Tail Light Covers: Chrysler 300 2011 – 2014
GT Styling
Regular price
$122.69
$79.75
35% off
- Unit price
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S&B Cold Air Intake: Dodge Ram 6.4L 392 2014 - 2018 (2500 / 3500)
S&B Filters
Regular price
$429.99
$379.00
12% off
- Unit price
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2 filter types
American Car Craft "392" Polished Fuel Rail Covers (ILLUMINATED): 300 / Challenger / Charger 6.4L 392 2011 - 2023
American Car Craft
Regular price
$536.95
$499.95
7% off
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Vertical Doors: Chrysler 300 2011 - 2024 (All Models)
Vertical Doors
Regular price from $989.00 Up to 10% off
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Corsa Xtreme Exhaust System: Jeep Grand Cherokee 6.4L SRT 2012 - 2021
CORSA Performance
Regular price from $2,412.99 Up to 8% off
- Unit price
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Mishimoto Aluminum Expansion Tank Black: Fits Challenger / Charger / 300 2011-2023 3.6/5.7L
Mishimoto
Regular price
$445.00
$404.95
9% off
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American Racing Headers: Chrysler 300 / Dodge Charger 6.4L 392 2015 - 2024
American Racing Headers
Regular price from $1,927.74 Up to 9% off
- Unit price
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Kooks 1-7/8" x 3" Longtube Headers & OEM Catted Mid Pipes (F&R): 05-23 Challenger / Charger / Magnum / 300C SRT8 6.1/6.4L & 392 HEMI
Kooks Headers
Regular price from $2,757.30 Up to 10% off
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American Car Craft "392" Polished Fuel Rail Covers (CARBON FIBER): 300 / Challenger / Charger 6.4L 392 2011 - 2023
American Car Craft
Regular price
$393.95
$366.95
7% off
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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2015 (5.7L Hemi / 6.4L SRT & Scat Pack)
Diablo Sport
Regular price
$1,968.95
$1,749.95
11% off
- Unit price
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DiabloSport Modified PCM + Trinity 2 Programmer Combo: Dodge Challenger 2016 (5.7L Hemi / 6.4L SRT & Scat Pack)
Diablo Sport
Regular price
$1,968.95
$1,749.95
11% off
- Unit price
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MBRP Exhaust Tips (Black): Dodge Charger (15-23) & Durango (18-25) 6.4L 392 & 6.2L Hellcat
MBRP
Regular price
$370.58
$299.99
19% off
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AWE Touring Cat-Back Exhaust (w/ OEM Tips): Dodge Challenger (15-23) 6.4L 392 & 6.2L Hellcat
AWE Tuning
Regular price
$1,815.79
$1,725.00
5% off
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Brembo OE PRIME UV Coated Front Disc Brake Kit 330mm (FRONT): Jeep Grand Cherokee / Durango 2011-2020 3.6L/5.7L
Brembo OE
$332.85
- Unit price
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DiabloSport inTune i3 Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014
Diablo Sport
Regular price
$535.95
$475.95
11% off
- Unit price
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AFE Magnum FORCE Cold Air Intake (w/Pro DRY S Filter): Ram 6.4L 392 2500 / 3500 2019 - 2025
aFe
$399.00
- Unit price
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AWE Touring Edition Cat-Back Exhaust (Black Tips): Jeep Grand Cherokee 6.4L SRT 2012 - 2021
AWE Tuning
Regular price
$2,152.63
$2,045.00
5% off
- Unit price
- /per
Granatelli Xtreme Ignition Coil Packs: Fits Chrysler / Dodge / Jeep / Ram 5.7L-6.4L (02-26)
Granatelli Motor Sports
Regular price
$889.72
$845.23
5% off
- Unit price
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EBC S13 Brake Pads & Rotors Kit (FRONT): 300, Challenger, Charger, Magnum 5.7L Hemi 2005 - 2024
EBC
Regular price
$464.65
$441.42
5% off
- Unit price
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WeatherTech Side Window Deflectors (4PC, Dark Smoke): Dodge Durango 2011 - 2023
WeatherTech
$103.95
- Unit price
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MBRP Cat Back Exhaust System (Single Side Exit, Aluminized): Ram 6.4L 392 2500 & 3500 2014 - 2025
MBRP
Regular price
$667.05
$539.99
19% off
- Unit price
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DiabloSport Modified PCM + i3 Programmer Combo: Dodge Charger 2019 (5.7L Hemi / 6.4L SRT & Scat Pack)
Diablo Sport
Regular price
$1,856.95
$1,649.95
11% off
- Unit price
- /per
Spec D Passenger Mirror w/ Turn & Puddle Light (RIGHT): Ram 2500 / 3500 (19-26) - Chrome
Spec D
Regular price
$231.00
$171.00
26% off
- Unit price
- /per
Spec D Manual-Fold Driver Mirror w/ Turn & Puddle Light (LEFT): Ram 2500 / 3500 (19-26) - Chrome
Spec D
Regular price
$231.00
$171.00
26% off
- Unit price
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Spec D OEM Style Quad Headlights w/ LED Bar (Black): Dodge Ram 2009 - 2018
Spec D
Regular price
$144.00
$107.00
26% off
- Unit price
- /per
Spec D Mesh Grille (Glossy Black): Chrysler 300 2011 - 2014
Spec D
Regular price
$124.00
$92.00
26% off
- Unit price
- /per
Spec D LED Tail Lights (Matte Black w/ White LED Bar): Dodge Ram 2009 - 2018
Spec D
Regular price
$396.00
$293.00
26% off
- Unit price
- /per
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Performance Upgrades for Your 6.4L 392 Hemi
The 6.4L 392 Hemi is a naturally aspirated powerhouse known for its strong forged internals and high-flow cylinder heads. Delivering robust power and torque from the factory, it provides an excellent platform for enthusiasts aiming to enhance performance while maintaining reliability. At FastHemis, you’ll find parts designed specifically to unlock the full potential of this Mopar favorite.
Why upgrade performance parts on your 6.4L Hemi?
Upgrading your 6.4L Hemi’s components can significantly improve power delivery, throttle response, and overall engine efficiency. Whether you want to increase airflow with cold air intakes or extract more power through long tube headers and exhaust systems, these bolt-on upgrades complement the engine’s strong factory foundation. Enhancements also help tailor your build to specific driving styles and performance goals.
- Improved air and exhaust flow for better combustion
- Enhanced throttle response and engine sound
- Supports future forced induction or camshaft upgrades
- Maintains the engine’s legendary durability and reliability
Popular upgrade paths for the 6.4L 392 Hemi
The 6.4L Hemi responds well to a variety of performance modifications that suit naturally aspirated and boosted builds alike. Common upgrades include supercharger and procharger kits for substantial power gains, long tube headers to reduce exhaust backpressure, and cold air intakes to increase airflow. Tuners and performance calibration tools are also essential to optimize these modifications and ensure smooth operation.
Choosing the right 6.4L Hemi parts at FastHemis
FastHemis offers a comprehensive selection of performance parts tailored to the 6.4L 392 Hemi. Whether you’re starting with bolt-ons or planning a full build, our inventory supports every stage of your project. Browse our collection to find supercharger kits, exhaust upgrades, intake systems, and tuning tools designed to maximize your engine’s capability while preserving its durability.